Chevrolet 1977 10 Series, Repair Manual, Page: 247 / 468

AUTOMATIC TRANSMISSION
(200J7A-11
Fig. 7 A -4 4 A --R e m o vin g M a n u a l S h a f t Seal From Case
Fig. 7 A - 4 5 A - -R e m o v jn g P a rkin g Pawl B r a c k e t B o lt
2. Inspect parking actuator rod for damage, or broken
retainer lugs.
3. Inspect parking actuator spring for damage.
4. Inspect actuator for free fit on actuator rod.
5. Inspect parking pawl for cracks or damage.
Fig. 7 A-46A~Removing Parking Pawl Shaft Pin
Fig. 7 A - 4 7 A - R e m o v i n g P a rk in g Pawl S h a ft Cu p Plug fr o m
Case
6. Inspect parking pawl return spring for deformed end
or coils.
7. Inspect parking pawl shaft for damage.
8. Inspect parking bracket for cracks or wear.
9. Inspect inside detent lever for cracks or loose pin.
10. Inspect manual shaft for damaged threads and the
flats for raised edges. File down any raised edges.
Reassembly
1. T urn transm ission to horizontal position, oil pan side
up.
2. If removed, install new manual shaft seal with lip
facing inward into transm ission case using a 13mm or 9/16"
socket to seat seal (Fig. 7A-53A).
3. Install parking pawl and return spring with tooth
tow ard inside of case and parking pawl return spring under
pawl tooth with spring ends tow ard inside of case (Fig. 7A-
54A). M ake sure spring ends locate against case pad.
4. Align parking pawl and return spring with case shaft
bore.
5. Install parking pawl shaft, tapered end first.
6. Using 10mm (3 /8 ") rod, install new parking pawl
shaft cup plug, open end out, past retaining pin hole (Fig.
7A-55A).
Fig. 7A-48A--Removing Parking Pawl Shaft from Case